Ohio Rev. Code § 339.81: Confidential information.

Any information, data, and reports with respect to a case of tuberculosis that are furnished to, or procured by, a county or district tuberculosis control unit or the department of health shall be confidential and used only for statistical, scientific, and medical research for the purpose of controlling tuberculosis in this state. No physician, hospital, or other entity furnishing information, data, or reports pursuant to this chapter shall by reason of such furnishing be deemed to have violated any confidential relationship, be held to answer for willful betrayal of a professional confidence, or be held liable in damages to any person.